“…Evaporation of the solvent gave 9 (0.9g, 74%) as a colourless liquid ( 1 H-NMR (200 MHz, CDCl 3 ) δ = 7.32 (m, 5H), 5.04 (m, 1H), 2.58 (m, 2H), 2.32 (m, 2H), 1.91 (m, 2H). 13 C-NMR (50 MHz, CDC1 3 ) δ = 144. 27, 144.07, 130.16 (2C), 129.66, 129.40 (2C), 127.82, 58.04, 36.05, 35.88, 20.18 IR (liquid) 3050, 3020, 295027, 144.07, 130.16 (2C), 129.66, 129.40 (2C), 127.82, 58.04, 36.05, 35.88, 20.18 IR (liquid) 3050, 3020, , 163427, 144.07, 130.16 (2C), 129.66, 129.40 (2C), 127.82, 58.04, 36.05, 35.88, 20.18 IR (liquid) 3050, 3020, , 149027, 144.07, 130.16 (2C), 129.66, 129.40 (2C), 127.82, 58.04, 36.05, 35.88, 20.18 IR (liquid) 3050, 3020, , 144027, 144.07, 130.16 (2C), 129.66, 129.40 (2C), 127.82, 58.04, 36.05, 35.88, 20.18 IR (liquid) 3050, 3020, , 1186.…”